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chore(build): Refactor codegen traits (#302)

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Signed-off-by: Lucio Franco <[email protected]>
This commit is contained in:
Lucio Franco
2020-03-29 12:57:11 -04:00
committed by GitHub
parent 012fa3cb4a
commit 2e082f8b3e
13 changed files with 113 additions and 144 deletions
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tonic-build/src/client.rs
+20 -36
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@@ -1,13 +1,13 @@
use super::schema::{Context, Method, Service};
use super::schema::{Method, Service};
use crate::{generate_doc_comments, naive_snake_case};
use proc_macro2::TokenStream;
use quote::{format_ident, quote};
/// Generate service for client
pub fn generate<'a, T: Service<'a>>(service: &'a T, context: &T::Context) -> TokenStream {
pub fn generate<T: Service>(service: &T, proto_path: &str) -> TokenStream {
let service_ident = quote::format_ident!("{}Client", service.name());
let client_mod = quote::format_ident!("{}_client", naive_snake_case(&service.name()));
let methods = generate_methods(service, context);
let methods = generate_methods(service, proto_path);
let connect = generate_connect(&service_ident);
let service_doc = generate_doc_comments(service.comment());
@@ -76,7 +76,7 @@ fn generate_connect(_service_ident: &syn::Ident) -> TokenStream {
TokenStream::new()
}
fn generate_methods<'a, T: Service<'a>>(service: &'a T, context: &T::Context) -> TokenStream {
fn generate_methods<T: Service>(service: &T, proto_path: &str) -> TokenStream {
let mut stream = TokenStream::new();
for method in service.methods() {
@@ -92,10 +92,10 @@ fn generate_methods<'a, T: Service<'a>>(service: &'a T, context: &T::Context) ->
stream.extend(generate_doc_comments(method.comment()));
let method = match (method.client_streaming(), method.server_streaming()) {
(false, false) => generate_unary(method, &context, path),
(false, true) => generate_server_streaming(method, &context, path),
(true, false) => generate_client_streaming(method, &context, path),
(true, true) => generate_streaming(method, &context, path),
(false, false) => generate_unary(method, proto_path, path),
(false, true) => generate_server_streaming(method, proto_path, path),
(true, false) => generate_client_streaming(method, proto_path, path),
(true, true) => generate_streaming(method, proto_path, path),
};
stream.extend(method);
@@ -104,14 +104,10 @@ fn generate_methods<'a, T: Service<'a>>(service: &'a T, context: &T::Context) ->
stream
}
fn generate_unary<'a, T: Method<'a>>(
method: &T,
context: &T::Context,
path: String,
) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(context.codec_name()).unwrap();
fn generate_unary<T: Method>(method: &T, proto_path: &str, path: String) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(T::CODEC_PATH).unwrap();
let ident = format_ident!("{}", method.name());
let (request, response) = method.request_response_name(context);
let (request, response) = method.request_response_name(proto_path);
quote! {
pub async fn #ident(
@@ -128,15 +124,11 @@ fn generate_unary<'a, T: Method<'a>>(
}
}
fn generate_server_streaming<'a, T: Method<'a>>(
method: &T,
context: &T::Context,
path: String,
) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(context.codec_name()).unwrap();
fn generate_server_streaming<T: Method>(method: &T, proto_path: &str, path: String) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(T::CODEC_PATH).unwrap();
let ident = format_ident!("{}", method.name());
let (request, response) = method.request_response_name(context);
let (request, response) = method.request_response_name(proto_path);
quote! {
pub async fn #ident(
@@ -153,15 +145,11 @@ fn generate_server_streaming<'a, T: Method<'a>>(
}
}
fn generate_client_streaming<'a, T: Method<'a>>(
method: &T,
context: &T::Context,
path: String,
) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(context.codec_name()).unwrap();
fn generate_client_streaming<T: Method>(method: &T, proto_path: &str, path: String) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(T::CODEC_PATH).unwrap();
let ident = format_ident!("{}", method.name());
let (request, response) = method.request_response_name(context);
let (request, response) = method.request_response_name(proto_path);
quote! {
pub async fn #ident(
@@ -178,15 +166,11 @@ fn generate_client_streaming<'a, T: Method<'a>>(
}
}
fn generate_streaming<'a, T: Method<'a>>(
method: &T,
context: &T::Context,
path: String,
) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(context.codec_name()).unwrap();
fn generate_streaming<T: Method>(method: &T, proto_path: &str, path: String) -> TokenStream {
let codec_name = syn::parse_str::<syn::Path>(T::CODEC_PATH).unwrap();
let ident = format_ident!("{}", method.name());
let (request, response) = method.request_response_name(context);
let (request, response) = method.request_response_name(proto_path);
quote! {
pub async fn #ident(